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searching for Accretion disk 74 found (559 total)

NGC 5548 (1,172 words) [view diff] exact match in snippet view article find links to article

the center, is flowing outward in the direction perpendicular to the accretion disk plane. The mass of the central black hole can be estimated based on

W Crucis (577 words) [view diff] exact match in snippet view article find links to article

eclipses show that the two stars are detached and that there is an accretion disk around the primary, more massive, star. Spectral lines can only be seen

BB Doradus (322 words) [view diff] exact match in snippet view article find links to article

a white dwarf. Observations of the white dwarf's faint but certain accretion disk are consistent with it being at ~10° inclination (to the line of sight

V691 Coronae Australis (517 words) [view diff] exact match in snippet view article find links to article

making it a prototypical Accretion Disk Coronae (ADC) source, i.e. a source with a corona extending above and below its accretion disk. The only-partial eclipses

GR Muscae (260 words) [view diff] exact match in snippet view article find links to article

from 18 to 19.1 over a period of 0.16 days. The neutron star has an accretion disk that takes around 6.74 days to complete a revolution, and is inclined

V404 Cygni (1,557 words) [view diff] exact match in snippet view article find links to article

intense gravity of the black hole, the companion star loses mass to an accretion disk around the black hole and ultimately to the black hole itself. The "V"

NGC 2992 (588 words) [view diff] exact match in snippet view article find links to article

from the nucleus of NGC 2992, which may be the result of changes to an accretion disk in the core. These fluctuations show changes by a factor of up to 20

WZ Sagittae (896 words) [view diff] exact match in snippet view article find links to article

The outbursts of a dwarf nova are caused when matter from a ring-like accretion disk becomes unstable. In this system, the companion star is sufficiently

V445 Puppis (642 words) [view diff] exact match in snippet view article find links to article

V445 Puppis may belong to a binary star system and be surrounded by an accretion disk of matter drawn from the companion star. At present, the system is being

2980 Cameron (269 words) [view diff] exact match in snippet view article find links to article

Astrophysics. He was an early advocate of the concepts of a turbulent accretion disk solar nebula, and of the origin of the Moon by a giant impact on the

AM Canum Venaticorum star (2,062 words) [view diff] exact match in snippet view article find links to article

minutes have no accretion disk and show direct impact of the accreting material onto the white dwarf, or possibly have a very small accretion disk. Systems with

RW Aurigae (1,204 words) [view diff] exact match in snippet view article find links to article

differentiated planetesimal's Fe (iron) core at the inner edge of RW Aur A's accretion disk and the funneling of this material into the protostar's atmosphere and

Z Canis Majoris (775 words) [view diff] exact match in snippet view article find links to article

pre-main-sequence star in a phase of very high mass accretion resulting in an accretion disk which dominates the optical spectrum) that is 1300 times as luminous

SW Ursae Majoris (1,264 words) [view diff] exact match in snippet view article find links to article

produced by the white dwarf, with almost all the rest produced by the accretion disk. Robinson, Edward L.; et al. (February 1987), "Detection of Superhumps

Ashen Stars (258 words) [view diff] case mismatch in snippet view article find links to article

designed Ashen Stars (2011) for Pelgrane Press's GUMSHOE system.: 385 The Accretion Disk supplement was published in 2015. Ashen Stars was a 2011 nominee for

56 Pegasi (1,033 words) [view diff] exact match in snippet view article find links to article

subdwarf O star. Alternatively, it may be a white dwarf companion with an accretion disk. Several puzzling features in the evolutionary history of this pair

GRS 1124-683 (476 words) [view diff] exact match in snippet view article find links to article

the black hole, known as an accretion disk. In an X-ray nova, the flow of gas is fairly thin and slow, so the accretion disk remains relatively cool, and

U Sagittae (1,682 words) [view diff] exact match in snippet view article find links to article

~104 K that is streaming between the stars. This forms an intermittent accretion disk around the primary. The primary component is a B-type main-sequence

Shane Davis (astrophysicist) (261 words) [view diff] exact match in snippet view article

titled Using black hole x-ray binaries as laboratories for probing accretion disk theory in strong gravity. He was a postdoctoral fellow in the school

Bo Thidé (779 words) [view diff] exact match in snippet view article find links to article

angular momentum and optical vortex structure of radiation from the accretion disk near the black holes. The results were published in Nature Physics.

AR Andromedae (663 words) [view diff] exact match in snippet view article find links to article

spectral lines, it was found to have an orbital period of 3.91 hours. The accretion disk around white dwarf seems to be axisymmetric and devoid of structure

GNz7q (284 words) [view diff] exact match in snippet view article find links to article

typical, very luminous quasars (corresponding to the emission from the accretion disk of the supermassive black hole), which is most likely explained that

OY Arae (726 words) [view diff] exact match in snippet view article find links to article

primary eclipse, in which the donor star eclipses the white dwarf and its accretion disk, are about 2 magnitudes deep and last less than 30 minutes. The orbital

Ginnungagap (1,080 words) [view diff] exact match in snippet view article find links to article

Secret of the Runes album from 2001. EVE Online has a black hole whose accretion disk shows up in the skybox named Ginnungagap. "Ginungagap" (sic) is the

AM Herculis (623 words) [view diff] exact match in snippet view article find links to article

dwarf is accreting material directly from the red dwarf without an accretion disk. The white dwarf primary is highly magnetic and the infalling material

North Polar Basin (Mars) (1,120 words) [view diff] exact match in snippet view article

the two moons, as other data suggests that only 1% of the mass of an accretion disk successfully forms moons. There are several other large impact basins

NGC 7538 (282 words) [view diff] case mismatch in snippet view article find links to article

S2CID 9772547. Sandell, Göran; Wright, Melvyn (2010). "A Detailed Study of the Accretion Disk Surrounding the High-Mass Protostar NGC 7538 S". The Astrophysical Journal

Ultraluminous X-ray source (1,878 words) [view diff] exact match in snippet view article find links to article

in the high/soft state it should have a thermal component from an accretion disk peaking at a relatively low temperature (kT ≈ 0.1 keV) and it may exhibit

NGC 3115 (608 words) [view diff] exact match in snippet view article find links to article

mag. unknown). NGC 3115 has consumed most of the gas of its youthful accretion disk. It has very little gas and dust left that would trigger new star formation

Jean-Pierre Luminet (1,974 words) [view diff] exact match in snippet view article find links to article

In 1979, Luminet created the first "image" of a black hole with an accretion disk, using nothing but an early computer, math, and India ink. He predicted

HD 40307 b (813 words) [view diff] exact match in snippet view article find links to article

metallicity of stars during their births may determine whether a protostar's accretion disk forms gas giants or terrestrial planets. The Arizonan astronomer Rory

HD 40307 d (770 words) [view diff] exact match in snippet view article find links to article

metallicity of stars during their births may determine whether a protostar's accretion disk forms gas giants or terrestrial planets. The planet has not been found

HD 40307 c (769 words) [view diff] exact match in snippet view article find links to article

metallicity of stars during their births may determine whether a protostar's accretion disk forms gas giants or terrestrial planets. HD 40307 c has not been observed

PX Andromedae (1,117 words) [view diff] exact match in snippet view article find links to article

has formed around the former. The negative superhumps show that the accretion disk is tilted with respect to the white dwarf rotation axis, and has a retrogade

GRS 1915+105 (804 words) [view diff] exact match in snippet view article find links to article

being ejected is occasionally choked off by a hot wind blowing off the accretion disk. The wind deprives the jet of materials needed to sustain it. When the

Be/X-ray binary (874 words) [view diff] exact match in snippet view article find links to article

"B0-0.5 star of spectral class Ve". The system's neutron star has large accretion disk. Reig, Pablo (2011). "Be/X-ray binaries". Astrophysics and Space Science

RW Persei (922 words) [view diff] exact match in snippet view article find links to article

determined the primary component to be a Be star with an optically thick accretion disk in orbit. The secondary is an ordinary K2 giant star. Subsequent observations

Natural abundance (727 words) [view diff] exact match in snippet view article find links to article

and homogenization processes in the interstellar medium and the solar accretion disk (also known as the solar nebula or protoplanetary disk).[clarification

YZ Reticuli (703 words) [view diff] exact match in snippet view article find links to article

periods of 0.1384 and 0.1339 days. These are likely related to the accretion disk and represent a similar phenomenon to superhumps. List of novae in the

Dmitry V. Bisikalo (984 words) [view diff] exact match in snippet view article find links to article

self-consistent model of the mass transfer in binary stars Investigation of the accretion disk structure in binary stars Discovery of precessional density waves in

BP Crucis (836 words) [view diff] exact match in snippet view article find links to article

magnetic field, and also occasional spinups due to interaction with the accretion disk. It is calculated that a slowly spinning neutron star could be spun

HD 259431 (820 words) [view diff] case mismatch in snippet view article find links to article

(2008). "Detection of an Inner Gaseous Component in a Herbig Be Star Accretion Disk: Near- and Mid-Infrared Spectrointerferometry and Radiative Transfer

Sandip Chakrabarti (839 words) [view diff] exact match in snippet view article find links to article

wave emission from a binary black hole system in the presence of an accretion disk". Physical Review D. 53 (6): 2901–2907. arXiv:astro-ph/9603117. Bibcode:1996PhRvD

Cepheus (constellation) (1,710 words) [view diff] case mismatch in snippet view article

2016-12-08. Sandell, Göran; Wright, Melvyn (2010). "A Detailed Study of the Accretion Disk Surrounding the High-Mass Protostar NGC 7538 S". The Astrophysical Journal

81P/Wild (1,448 words) [view diff] exact match in snippet view article find links to article

"The motion and size sorting of particles ejected from a protostellar accretion disk". Icarus. 116 (2). elsevier.com/: 275–290. Bibcode:1995Icar..116..275L

Super soft X-ray source (2,508 words) [view diff] exact match in snippet view article find links to article

accretion-powered cataclysmic variables have been observed to be X-ray sources. The accretion disk may be prone to instability leading to dwarf nova outbursts: a portion

Sycorax (moon) (909 words) [view diff] exact match in snippet view article

hypothesized that Sycorax is a captured object; it did not form in the accretion disk which existed around Uranus just after its formation. No exact capture

Cosmic dust (5,777 words) [view diff] exact match in snippet view article find links to article

grains ever since the meteorites first assembled within the planetary accretion disk more than four billion years ago. So-called carbonaceous chondrites

Stuart L. Shapiro (698 words) [view diff] exact match in snippet view article find links to article

simulated the spectrum of the radiation that develops when gas from an accretion disk falls onto a black hole or neutron star and the destruction and swallowing

Messier 87 (9,560 words) [view diff] exact match in snippet view article find links to article

120 AU (18 billion kilometres; 11 billion miles). The diameter of the accretion disk, as seen from Earth, is 42 μas (microarcsecond), and the diameter of

Extinct radionuclide (693 words) [view diff] exact match in snippet view article find links to article

from extinct radionuclides on a young stellar object: the Sun and its accretion disk". Annual Review of Earth and Planetary Sciences. 39: 351–386. arXiv:1105

Great Observatories Origins Deep Survey (1,046 words) [view diff] exact match in snippet view article find links to article

is present in these objects, thought to be originating from the hot accretion disk of a collapsing black hole. GOODS-S 29323 is located in the constellation

V1494 Aquilae (1,034 words) [view diff] case mismatch in snippet view article find links to article

Mariko; Kato, Taichi (2004). "Detection of Two-armed Spiral Shocks on the Accretion Disk of the Eclipsing Fast Nova V1494 Aquilae". The Astrophysical Journal

Dust solution (812 words) [view diff] exact match in snippet view article find links to article

fluid surrounded by vacuum, a dust solution could be used to model an accretion disk around a massive object; however, no such exact solutions that model

Aryabhatta Research Institute of Observational Sciences (800 words) [view diff] exact match in snippet view article find links to article

to get the black hole mass of blazars, and also provide support to accretion disk-based models of AGNs. Nainital is located at a high altitude in the

Gamma-ray burst precursor (714 words) [view diff] exact match in snippet view article find links to article

this event was likely internal to the neutron star and not from the accretion disk. Systematic surveys were subsequently carried out to find the percentages

AB Aurigae (1,597 words) [view diff] exact match in snippet view article find links to article

April 2022 at projected separation 93 AU from star, may be either an accretion disk around newly formed planet or the unstable disk region currently transforming

Spitzer Space Telescope (5,830 words) [view diff] exact match in snippet view article find links to article

material from the inner disk, adjacent to the protostar, to regions of the accretion disk further away from the protostar. In April 2015, Spitzer and the Optical

Sera Markoff (432 words) [view diff] exact match in snippet view article find links to article

Going with the flow: can the base of jets subsume the role of compact accretion disk coronae? Astrophys. J. 635: 1203–1216 "Dr. Sera Markoff - AcademiaNet"

Nova (2,971 words) [view diff] exact match in snippet view article find links to article

steadily captures matter from the companion's outer atmosphere in an accretion disk, and in turn, the accreted matter falls into the atmosphere. As the

American Association of Variable Star Observers (1,430 words) [view diff] case mismatch in snippet view article find links to article

Bibcode:1996PASP..108..139P. doi:10.1086/133703. Cannizzo, J. K. (2002). "The Accretion Disk Limit Cycle Model: Toward an Understanding of the Long-Term Behavior

Photoevaporation (2,196 words) [view diff] exact match in snippet view article find links to article

increase. Radiation from the central star excites particles in the accretion disk. The irradiation of the disk gives rise to a stability length scale

RW Tauri (1,702 words) [view diff] exact match in snippet view article find links to article

; Honeycutt, R. K. (July 1982), "Time-resolved spectroscopy of the accretion disk in RW Tau", Astrophysical Journal, 258: 224–235, Bibcode:1982ApJ...258

Homopolar generator (2,387 words) [view diff] case mismatch in snippet view article find links to article

1982, p. 87–99 Shatskii, A. A., "Unipolar Induction of a Magnetized Accretion Disk around a Black Hole", (2003) Astronomy Letters, vol. 29, p. 153–157

Norma (constellation) (4,009 words) [view diff] exact match in snippet view article

is a microquasar, firing off jets of material most likely from its accretion disk. Four star systems are known to harbour planets. HD 330075 is a sunlike

Event Horizon Telescope (4,102 words) [view diff] exact match in snippet view article find links to article

Jean-Pierre (July 31, 1979). "Image of a spherical black hole with thin accretion disk". Astronomy and Astrophysics. 75: 228. Bibcode:1979A&A....75..228L.

Anton Zensus (840 words) [view diff] exact match in snippet view article find links to article

originates from a broader region than previously thought (namely the accretion disk instead of the ergosphere of the black hole). With another worldwide

Orion Nebula (4,799 words) [view diff] exact match in snippet view article find links to article

objects might be low-mass stars surrounded by an evaporating protostellar accretion disk. In 1993 observations with the Hubble Space Telescope have yielded the

Ultra-high-energy cosmic ray (3,108 words) [view diff] exact match in snippet view article find links to article

Y.; et al. (1995). "Gravitationally redshifted emission implying an accretion disk and massive black hole in the active galaxy MCG-6-30-15". Nature. 375

Relativistic images (2,043 words) [view diff] exact match in snippet view article find links to article

Francisco S. N. (2009-08-24). "Testing Hořava-Lifshitz gravity using thin accretion disk properties". Physical Review D. 80 (4). American Physical Society (APS):

Georges Meylan (2,227 words) [view diff] exact match in snippet view article find links to article

quasar QSO 2237+0305 ≡ the Einstein Cross. II. Energy profile of the accretion disk". Astronomy and Astrophysics. 490 (3): 933–943. arXiv:0810.0011. Bibcode:2008A&A

Sachiko Tsuruta (676 words) [view diff] exact match in snippet view article find links to article

Simulated view of a neutron star with accretion disk. The disk appears distorted near the star due to extreme gravitational lensing.

Wormholes in fiction (5,262 words) [view diff] exact match in snippet view article find links to article

visible vortex effect often associated with black holes is merely the accretion disk of visible matter being drawn toward it. Decker's line is most likely

TRAPPIST-1 (19,786 words) [view diff] exact match in snippet view article find links to article

Takashi (2 July 2021). "Terrestrial planet compositions controlled by accretion disk magnetic field". Progress in Earth and Planetary Science. 8 (1): 39